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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 23, 2016
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
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1999 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13W8X
Cylinder number 4 misfire only at idle. Performed cylinder leakdown and found exhaust valve not seating. Removed both rocker arms and cylinder seals with no leakage. Cylinder is at TDC, swapped rocker arm, pushrod, and lifter from other cylinder and same resul... Trouble codes: P0304
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2004 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 1GNEC16Z44
Help here iatn. I've replaced the throttle body and app sensor in an attempt to fix this "app and tp" correlation code it happens once about evry 3 weeks its hard to catch because it rarely happens and when I attempt to check it power and ground at the etc mod... Trouble codes: P2135 (TP correlation)
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2013 Chevrolet Avalanche Black Diamond LTZ 5.3L Compressor VIN: 3GNTHEE71D
Hello to all and thank you for your help. Gm techs help. This avalanche cools good ac temp at idle for about 10- 15 mins no compressor cycling. Then will cycle off and on compressor every about 1- 1.5 mins and ac blows cold, then warm. Replaced pressure transd...
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2007 Hummer H3 3.7L Mechanical VIN: 5GTDN13E17
Vehicle came in with complaint of noise on start up and while excelerating. Noise sounds almost like knock but seems to be coming from timing chain area of valve cover. Removed valve cover and chain seems tight (about 1/4 of slack between cams). Looked down co...
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Fixes & Summaries for GM
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